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The RAF's 83 Expeditionary Air Group held a sunset service at their base

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Football grounds across the UK, including Anfield in Liverpool (pictured), paused to hold a minute's silence

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Fusilier Lee Rigby, who was killed in Woolwich in May, is among the soldiers remembered at the Field of Remembrance, opened by the Duke of Edinburgh and Prince Harry on Thursday

Squadron Leader Johnny Johnson was given a standing ovation and applauded for more than a minute as he stood with the Torch of Remembrance.

There was also a standing ovation for the Chelsea Pensioners, with the Queen and duke rising to their feet as the men marched into the hall.

The Poppy Girls, an all-girl group picked from a search for talent among forces families, performed their new single The Call (No Need To Say Goodbye) which is raising money for the Poppy Appeal.

The Queen seemed particularly pleased to witness an emotional reunion for one of the young members of the group.

Megan Adams, 10, from Stirling, was not expecting to see her father, Lieutenant Commander Billy Adams, for another three months as he has been serving with the Royal Navy in the Seychelles as part of an anti-piracy task force.

But after host Huw Edwards announced a special guest, her father walked down the steps towards his daughter, who burst into tears and shouted: "Daddy!" as she ran towards him.

The audience loudly applauded the special moment, with the Queen smiling broadly and looking pleasantly surprised as she exchanged comments with Prince Philip and Princess Anne.

'Bring back memories'

The War Widows' Service is organised by the War Widows' Association (WWA), which has more than 4,000 members.

Media captionTrevor Miners is among the surviving "Secret Army" veterans taking part in Sunday's parade

Alberta McMenemy, 65, of the WWA, said the service was special to many.

"It brings back memories about when our husbands died. It is good that there is an appreciation for those who have lost their lives," said Mrs McMenemy, who has been a widow since her husband died fighting in the Gulf War in 1990.

The Cenotaph in central London will also be the focus of the national service of Remembrance on Sunday, while a two-minute silence will be held at 11:00 on Armistice Day, to commemorate the end of World War One.

At The Scene

By Simon ClemisonBBC News

A group of eight Royal Marines and veterans attempted to break a world record for completing a marathon around central London by "speed marching".

From the minute they got going at 4am, they set a very fast pace.

We struggled to keep up, trying to head them off at various junctions in the car, as they made their way around London.

The packs they carried on their backs were the weight of a small child and I was told supporting that load for 26 or so miles, was all in a day's work in the field.

They may have failed to officially set a new record because they were a man down when they finished but later, as they gathered in Downing Street, David Cameron wondered whether the record keepers could be persuaded to let their better time stand.

Ahead of this weekend's events Prince Harry and Prince Philip visited the Field of Remembrance outside Westminster Abbey to pay their respects and observe a two-minute silence.

On Saturday morning, Commando 999 raised money for the "Royal Marines Family" by attempting to break the world speed march record.

They tried to carry kit and weapons weighing over 40lbs (18kg) 26.2 miles (42km) through central London in under four hours 19 minutes to commemorate the Royal Marines' 350th birthday.

The Royal Marines were quicker than previous attempts but did not beat the record as one man had to pull out half a mile before the end.

They completed the race around London in four hours, 17 minutes and 21 seconds. They raised more than £20,000 to help Royal Marines who have been affected mentally and physically by war.

It was to be followed by a group of 50 veterans and serving marines speed marching a half-marathon, before a wreath is laid at the Royal Marines' memorial.